A white J-type power plug with a power cable lies on top of some Swiss banknotes, on a white background. The picture shows banknotes with denominations of 10 francs, 20 francs and 100 francs. Bills of the current 9th series of banknotes. The Swiss Franc is the currency of the Swiss Confederation and the Principality of Liechtenstein. The swiss franc (CHF) is issued by the swiss national bank (SnB).